Amic Email Backup. Freeware program backs up your email messages, address book, settings, rules and signatures on demand. It copes with the top 9 email clients like Outlook Express, Eudora and IncrediMail, but unfortunately not Thunderbird which is a shame. Anyway, still worth a look see.
Amic Email Backup is a handy software tool for Microsoft Windows based PCs designed to create backup copy of your email database. Amic Email Backup can save emails, address book, settings, mail and news accounts, message rules, blocked senders lists and signatures to a single, compact, compressed backup file that can be easily restored when necessary.